from flask import abort
from flask import current_app
from flask import g
from flask import redirect
from flask import render_template, jsonify
from flask import request
from sqlalchemy.sql.functions import user

from info import constants, db
from info.models import Category, News, User
from info.modules.profile import profile_blu
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@profile_blu.route("/other_news_list")
def other_news_list():
    """返回指定用户的发布的新闻"""
    # 1.取参数
    other_id = request.args.get("user_id")
    page = request.args.get("p", 1)

    # 2.判断参数
    try:
        page = int(page)
    except Exception as e:
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not other:
        return jsonify(errno=RET.NODATA, errmsg="当前用户不存在")
    try:
        paginate = other.news_list.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")


    news_dict_li = []
    for news_item in news_li:
        news_dict_li.append(news_item.to_basic_dict())
    data = {
            "news_list":news_dict_li,
            "total_page":total_page,
            "current_page":current_page
            }
    return jsonify(errno=RET.OK, errmsg="OK", data=data)

@profile_blu.route("/other_info")
@user_login_data
def other_info():

    user = g.user

    # 去查询其他人的用户信息
    other_id = request.args.get("user_id")
    if not other_id:
        abort(404)
    # 查询指定id的用户信息
    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
    if not other:
        abort(404)

    if other and user:
        if other in user.followed:
            is_followed = True
    data = {"user": g.user.to_dict() if g.user else None,
            "other_info": other.to_dict(),
            "is_followed":is_followed
            }
    return render_template("news/other.html", data=data)


@profile_blu.route("/user_follow")
@user_login_data
def user_follow():
    # 获取页数
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1
    # 取到当前登录用户
    user = g.user
    follows = []
    current_page = 1
    total_page = 1
    try:
        paginate = user.followed.paginate(p, constants.USER_FOLLOWED_MAX_COUNT, False)
        # 获取当前页数据
        follows = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages

    except Exception as e:
        current_app.logger.error(e)

    user_dict_li = []
    for follow_user in follows:
        user_dict_li.append(follow_user.to_dict())
    data = {"users":user_dict_li,
            "total_page":total_page,
            "current_page":current_page
            }
    return render_template("news/user_follow.html",data=data)

@profile_blu.route("/news_list")
@user_login_data
def user_news_list():
    page = request.args.get("p", 1)
    user = g.user

    news_list = []
    current_page = 1
    total_page = 1
    try:
        paginate =News.query.filter(News.user_id == user.id).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_review_dict())
    data = {
        "news_list":news_dict_li,
        "current_page":current_page,
        "total_page":total_page

    }
    return render_template("news/user_news_list.html", data=data)


@profile_blu.route("/news_release", methods=["GET", "POST"])
@user_login_data
def news_release():
    if request.method == "GET":
        # 加载新闻分类数据
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)

        category_dict_li = []
        for category in categories:
            category_dict_li.append(category.to_dict())

        # 移除最新的分类
        category_dict_li.pop(0)

        return render_template("news/user_news_release.html", data={"categories":category_dict_li})
    # 1.获取要提交的数据
    # 标题
    title = request.form.get("title")
    # 新闻来源
    source = "个人发布"
    # 摘要
    digest = request.form.get("digest")
    # 新闻内容
    content = request.form.get("content")
    # 索引图片
    index_image = request.files.get("index_image")
    # 分类id
    category_id = request.form.get("category_id")
    # 2.1判断数据是否有值
    if not all([title,source,digest,content,index_image,category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 2.2
    try:
        category_id = int(category_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 3.取到图片，将图片上传到七牛云
    try:
        index_image_data = index_image.read()
        # 上传到七牛云
        key = storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")


    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    # 因为用的图片是别人的，所以加个前缀
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 代表待审核状态
    news.status = 1

    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.sesion.rollback()
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")

    return jsonify(errno=RET.OK, errmsg="OK")



@profile_blu.route("/collection")
@user_login_data
def user_collection():

    # 获取参数
    page = request.args.get("p", 1)

    # 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    # 查询用户指定页数的收藏的新闻
    user = g.user
    total_page = 1
    current_page = 1
    try:
        paginate = user.collection_news.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        current_page = paginate.page
        total_page = paginate.pages
        news_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)
    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_basic_dict())
    data = {
        "total_page":total_page,
        "current_page":current_page,
        "collections":news_dict_li
    }
    return render_template("news/user_collection.html", data=data)





@profile_blu.route("/pass_info", methods=["POST", "GET"])
@user_login_data
def pass_info():
    if request.method == "GET":
        return render_template("news/user_pass_info.html")
    # 1.获取参数
    old_password = request.json.get("old_password")
    news_password = request.json.get("new_password")

    # 2.校验参数
    if not all([old_password, news_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 3.判断旧密码是否正确
    user = g.user
    if not user.check_passoword(old_password):
        return jsonify(errno=RET.PWDERR, errmsg="密码错误")

    # 4.设置新密码
    user.password = news_password

    return jsonify(errno=RET.OK, errmsg="保存成功")



@profile_blu.route("/pic_info", methods=["GET", "POST"])
@user_login_data
def pic_info():
    user = g.user
    if request.method == "GET":
        return render_template("news/user_pic_info.html", data={"user":user.to_dict()})

    # 如果是POST表示修改头像
    # 1.取到上传的图片
    try:
        avatar = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 2.上传头像
    try:
        # 使用自己封装的storage方法进行图片上传
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传头像失败")

    # 3.保存头像地址
    user.avatar_url = key
    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url":constants.QINIU_DOMIN_PREFIX+key})





@profile_blu.route("/base_info", methods=["GET", "POST"])
@user_login_data
def base_info():
    # 不同的请求方式，做不同的事情
    if request.method == "GET":
        return render_template("news/user_base_info.html", data={"user": g.user.to_dict()})
    # 代表是修改用户数据
    # 1.取到传入的参数
    nick_name = request.json.get("nick_name")
    signature = request.json.get("signature")
    gender = request.json.get("gender")
    #
    # # 2.校验参数
    if not all([nick_name, signature, gender]):
        return jsonify(errno= RET.PARAMERR, errmsg="参数错误")
    if gender not in ("WOMAN", "MAN"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    user = g.user
    user.signature = signature
    user.nick_name = nick_name
    user.gender = gender

    return jsonify(errno=RET.OK, errmsg="OK")

@profile_blu.route("/info")
@user_login_data
def user_info():
    user = g.user
    if not user:
        return redirect("/")
    data={
        "user": user.to_dict()
    }
    return render_template("news/user.html", data=data)

